CN113665531B - Vehicle defogging method, device, equipment and storage medium - Google Patents
Vehicle defogging method, device, equipment and storage medium Download PDFInfo
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- CN113665531B CN113665531B CN202111052632.9A CN202111052632A CN113665531B CN 113665531 B CN113665531 B CN 113665531B CN 202111052632 A CN202111052632 A CN 202111052632A CN 113665531 B CN113665531 B CN 113665531B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention relates to the technical field of automobiles, and discloses a vehicle defogging method, device and equipment and a storage medium. According to the invention, whether the vehicle is provided with the defogging sensor arranged on the front windshield is judged, when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current environment temperature, then the vehicle is controlled to enter the first stage air outlet mode according to the defogging parameter information, the air duct temperature is collected in real time through the air duct sensor, when the air duct temperature meets the preset air temperature condition, the vehicle is controlled to enter the second stage air outlet mode, the relative humidity and the saturated humidity are obtained through the defogging sensor, then the air quantity value is determined according to the saturated humidity and the relative humidity, working parameters corresponding to the second stage air outlet mode are determined according to the air quantity value and the current environment temperature, and the defogging of the vehicle is controlled according to the working parameters. When the vehicle is provided with the defogging sensor, the defogging sensor is used for determining proper working parameters and controlling defogging of the vehicle, so that energy consumption is reduced.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a method, an apparatus, a device, and a storage medium for demisting a vehicle.
Background
With the development of technology, sales of new energy automobiles continuously and rapidly increase, and new energy automobile types lack engine heat sources and consume a large amount of energy to realize heating when compared with traditional automobile types, so that a scheme of relatively saving energy is very important for the new energy automobile types in winter working conditions.
When the new energy automobile is defogged, some vehicles are provided with defogging sensors, and some vehicles are not provided with defogging sensors, so that corresponding countermeasures are provided for each situation. If the vehicle is not provided with a defogging sensor, the risk of front-gear defogging cannot be perceived, the vehicle is required to be ensured not to be fogged by adopting an active defense strategy, the external circulation proportion of the vehicle is increased in the traditional way, but the external circulation proportion is increased uniformly, the energy consumption of the vehicle is required to be increased sharply, in a general car for example, under the environment of-20 ℃, the power loss of 200W is required to be increased every 10% of the external circulation, and the power loss of 300W is required to be increased every 10% of the external circulation under the environment of-30 ℃. If the vehicle is equipped with a defogging humidity sensor, a "passive defense" strategy is adopted, i.e. a lower external circulation proportion (for example 30%) is set, and after detecting that the front gear is at risk of fogging, a one-key defogging strategy (100% external circulation defrosting mode) is activated, which results in two adverse consequences: firstly, switching from a 30% external circulation automatic air conditioning mode to a 100% external circulation full air volume defrosting mode tends to cause energy consumption to rise; secondly, the comfort of the passenger compartment is affected.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a vehicle defogging method, device, equipment and storage medium, and aims to solve the technical problems of high energy consumption and poor passenger experience when defogging is carried out in the prior art.
In order to achieve the above object, the present invention provides a vehicle defogging method including:
judging whether the vehicle is provided with a defogging sensor arranged on the front windshield;
when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current ambient temperature;
controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor;
when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, and acquiring relative humidity and saturated humidity through the defogging sensor;
and determining an air quantity value according to the saturated humidity and the relative humidity, determining working parameters corresponding to the second stage air outlet mode according to the air quantity value and the current environment temperature, and controlling defogging of the vehicle according to the working parameters.
Optionally, when the temperature of the air duct meets a preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, and acquiring the relative humidity and the saturated humidity through the defogging sensor, wherein the method specifically comprises the following steps:
when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, acquiring the glass temperature and the glass ambient air temperature through a temperature module in the demisting sensor, and determining the saturated humidity according to the glass temperature and the glass ambient air temperature;
and acquiring the relative humidity through a humidity module in the defogging sensor.
Optionally, after the step of determining the air quantity value according to the saturated humidity and the relative humidity, determining the working parameter corresponding to the second stage air outlet mode according to the air quantity value and the current ambient temperature, and controlling the vehicle to defog according to the working parameter, the method further includes:
determining a first running time corresponding to the second-stage air outlet mode according to the current ambient temperature and the relative humidity;
and after the first running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
Optionally, after the step of controlling the vehicle to enter a third stage air outlet mode after the first running time, the method further includes:
judging whether a fog risk exists according to the relative humidity and the saturated humidity;
when the risk of fogging exists, the third stage air outlet mode is adjusted to the second stage air outlet mode;
judging whether the second stage air outlet mode is required to be adjusted to the third stage air outlet mode according to the relative humidity and the saturated humidity.
Optionally, after the step of determining whether the vehicle is provided with the defogging sensor mounted on the front windshield, the method further includes:
when the defogging sensor is not arranged on the vehicle, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current ambient temperature;
controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor;
when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second-stage air outlet mode, and controlling the vehicle to defog through the second-stage air outlet mode.
Optionally, when the temperature of the air duct meets a preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, and after the step of controlling the vehicle to defog through the second stage air outlet mode, further comprising:
acquiring a current environmental temperature through a ring temperature sensor, and acquiring a current sunlight radiation value through a light sensor;
determining a second running time corresponding to the second stage air outlet mode according to the current environment temperature, the current sunlight radiation value and the current vehicle speed;
and after the second running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
Optionally, after the step of controlling the vehicle to enter a third stage air outlet mode after the second running time, the method further includes:
judging whether a fog risk exists or not according to the current vehicle speed and the current sunlight radiation value;
when the risk of fogging exists, the third stage air outlet mode is adjusted to the second stage air outlet mode;
determining a third running time corresponding to the second-stage air-out mode according to the current vehicle speed;
And after the third running time, controlling the vehicle to adjust to the third stage air outlet mode.
In addition, in order to achieve the above object, the present invention also proposes a vehicle defogging device including:
the sensor judging module is used for judging whether the vehicle is provided with a defogging sensor arranged on the front windshield or not;
the parameter determining module is used for determining defogging parameter information corresponding to the first stage air outlet mode according to the current environment temperature when the vehicle is provided with the defogging sensor;
the temperature acquisition module is used for controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information and acquiring the temperature of the air duct in real time through the air duct sensor;
the humidity acquisition module is used for controlling the vehicle to enter a second stage air outlet mode when the temperature of the air duct meets the preset air temperature condition, and acquiring relative humidity and saturated humidity through the defogging sensor;
and the vehicle defogging module is used for determining an air quantity value according to the saturated humidity and the relative humidity, determining working parameters corresponding to the second stage air outlet mode according to the air quantity value and the current environment temperature, and controlling vehicle defogging according to the working parameters.
In addition, in order to achieve the above object, the present invention also proposes a vehicle defogging device including: a memory, a processor, and a vehicle defogging program stored on the memory and executable on the processor, the vehicle defogging program configured to implement a vehicle defogging method as described above.
In addition, in order to achieve the above object, the present invention also proposes a storage medium having stored thereon a vehicle defogging program which, when executed by a processor, implements the vehicle defogging method as described above.
According to the invention, whether the vehicle is provided with the defogging sensor arranged on the front windshield is judged, when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current environment temperature, then the vehicle is controlled to enter the first stage air outlet mode according to the defogging parameter information, the air duct temperature is collected in real time through the air duct sensor, when the air duct temperature meets the preset air temperature condition, the vehicle is controlled to enter the second stage air outlet mode, the relative humidity and the saturated humidity are obtained through the defogging sensor, then the air quantity value is determined according to the saturated humidity and the relative humidity, working parameters corresponding to the second stage air outlet mode are determined according to the air quantity value and the current environment temperature, and the defogging of the vehicle is controlled according to the working parameters. When the vehicle is provided with the defogging sensor, the defogging sensor firstly enters the first stage air outlet mode, then enters the second stage air outlet mode when the temperature of the air duct meets the preset air temperature condition, and then determines the working parameters corresponding to the second stage air outlet mode, so that the vehicle defogging sensor can determine the proper working parameters according to the current environmental factors, and then controls the vehicle to defog according to the working parameters, and can provide proper air quantity for passengers while defogging, thereby reducing energy consumption and improving passenger experience.
Drawings
FIG. 1 is a schematic diagram of a vehicle defogging device for a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of a vehicle defogging method according to the present invention;
FIG. 3 is a schematic flow chart of a second embodiment of a vehicle defogging method according to the present invention;
FIG. 4 is a control block diagram of a defogging method of the present invention wherein a defogging sensor is provided in a vehicle;
FIG. 5 is a schematic flow chart of a third embodiment of a vehicle defogging method according to the present invention;
FIG. 6 is a control block diagram of a vehicle defogging method of the present invention without a defogging sensor disposed on the vehicle;
FIG. 7 is a block diagram of a first embodiment of a vehicle defogging device according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle defogging device in a hardware running environment according to an embodiment of the present invention.
As shown in fig. 1, the vehicle defogging device may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the structure shown in FIG. 1 is not limiting of the vehicle defogging device and may include more or fewer components than shown, or certain components in combination, or a different arrangement of components.
As shown in fig. 1, an operating system, a network communication module, a user interface module, and a vehicle defogging program may be included in the memory 1005 as one type of storage medium.
In the vehicle defogging device illustrated in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the vehicle defogging device of the present invention may be disposed in the vehicle defogging device, and the vehicle defogging device invokes a vehicle defogging program stored in the memory 1005 through the processor 1001 and executes the vehicle defogging method provided by the embodiment of the present invention.
An embodiment of the invention provides a vehicle defogging method, referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the vehicle defogging method of the invention.
In this embodiment, the vehicle defogging method includes the following steps:
step S10: judging whether the vehicle is provided with a defogging sensor arranged on the front windshield;
The execution body of the present embodiment may be the vehicle defogging device having the network communication and program running functions, or may be another device capable of implementing the same or similar functions, and the present embodiment is not particularly limited thereto.
It is understood that the defogging sensor in the present embodiment is installed on the front windshield, and can monitor the related parameter information of the front windshield, and the defogging sensor in the present embodiment may include a temperature sensor and a humidity sensor.
Step S20: when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current ambient temperature;
after the vehicle enters the defogging mode, a preset air outlet mode is automatically started, and the first air outlet mode is an air outlet mode which the vehicle needs to enter when just being started.
It is understood that, at different current ambient temperatures, the defogging parameter information corresponding to the first stage air outlet mode is also different, and the defogging parameter information may include an external circulation parameter and a defogging mode parameter.
In a specific implementation, in general, when the current ambient temperature reaches below 0 ℃, the vehicle is triggered to enter a defogging mode, and in the embodiment, the defogging parameter information corresponding to the first stage air outlet mode is 20% external circulation and 100% defogging mode when the current ambient temperature is between-10 ℃ and 0 ℃; when the current ambient temperature is between-20 ℃ and-10 ℃, defogging parameter information corresponding to the air outlet mode in the first stage is 30% of external circulation, and the defogging mode is 100%; when the current ambient temperature is lower than-20 ℃, the defogging parameter information corresponding to the first stage air outlet mode is 40% of external circulation and 100% of defogging mode. The demisting parameter information may be set to other values according to practical situations, which is not particularly limited in this embodiment.
Step S30: controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor;
it should be understood that, the first stage air-out mode can avoid just beginning blowing the low temperature excessively, and cold wind blows the foot, promotes passenger's travelling comfort, adopts full defrosting mode simultaneously, can effectively avoid the fog.
It is understood that the air duct sensor may collect the air duct temperature, i.e., the temperature of the air outlet.
Step S40: when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, and acquiring relative humidity and saturated humidity through the defogging sensor;
it should be noted that the preset air temperature condition is a preset air duct temperature condition, and the air duct temperature condition can be set to be a temperature acceptable to human bodies, for example, the temperature is greater than 30 ℃, and when the air duct temperature is greater than 30 ℃, the vehicle is controlled to enter the second stage air outlet mode.
It should be understood that the second stage air outlet mode is preset in the vehicle, and after the first stage air outlet mode is completed, the vehicle can judge whether to enter the second stage air outlet mode according to the air duct temperature.
Further, in order to determine the saturation humidity, the step S40 includes: when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, acquiring the glass temperature and the glass ambient air temperature through a temperature module in the demisting sensor, and determining the saturated humidity according to the glass temperature and the glass ambient air temperature; and acquiring the relative humidity through a humidity module in the defogging sensor.
The relative humidity refers to the humidity of the air around the front windshield, and the saturated humidity refers to the humidity at which the vehicle does not fog.
It is understood that the temperature of the front windshield and the temperature of the air around the front windshield can be obtained by the temperature module in the defogging sensor mounted on the front windshield, and the relative humidity of the air around the front windshield can be obtained by the humidity module in the defogging sensor mounted on the front windshield.
In a specific implementation, the temperature of the air around the glass corresponds to a saturation humidity that does not generate fog at the temperature of the front windshield, that is, there is a correspondence between the saturation humidity and the temperature of the air around the glass and the temperature of the front windshield, and the correspondence may be set by itself according to the actual situation, which is not particularly limited in this embodiment. For example: after the temperature of the air around the glass and the temperature of the front windshield are obtained, the non-fogging saturated humidity is searched from the preset corresponding relation.
Step S50: and determining an air quantity value according to the saturated humidity and the relative humidity, determining working parameters corresponding to the second stage air outlet mode according to the air quantity value and the current environment temperature, and controlling defogging of the vehicle according to the working parameters.
Specifically, the present embodiment may determine the air volume value through a first preset formula, where the first preset formula is:
M＝30％+10[RH-(SH-2％)]
wherein M is the air quantity, RH is the relative humidity, and SH is the saturated humidity.
It can be understood that the working parameters of the second stage air outlet mode corresponding to different current ambient temperatures are also different, and in the embodiment, when the current ambient temperature is between-10 ℃ and 0 ℃, the working parameters corresponding to the second stage air outlet mode are 20% of external circulation, (1-M) foot blowing mode and M defogging mode; when the current ambient temperature is between 20 ℃ below zero and 10 ℃ below zero, the working parameters corresponding to the second stage air outlet mode are 30% of external circulation, (1-M) a foot blowing mode and an M defogging mode; when the current ambient temperature is lower than-20 ℃, the working parameters corresponding to the second stage air outlet mode are 40% of external circulation, (1-M) foot blowing mode and M defogging mode. The above working parameters may be set to other values according to practical situations, but the sum of the foot blowing mode and the demisting mode needs to be set to 100%, and the embodiment is not limited to other values.
In a specific implementation, when the difference between the relative humidity RH and the saturated humidity SH is larger, the air quantity value M is also larger, so that the proportion of the foot blowing mode distribution is larger, which means that when the difference between the relative humidity RH and the saturated humidity SH is larger, fog is less prone to be generated, so that the proportion of the defogging mode distribution is smaller.
According to the embodiment, whether the vehicle is provided with the defogging sensor arranged on the front windshield or not is judged, when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current environment temperature, then the vehicle is controlled to enter the first stage air outlet mode according to the defogging parameter information, the air duct temperature is collected in real time through the air duct sensor, when the air duct temperature meets the preset air temperature condition, the vehicle is controlled to enter the second stage air outlet mode, the relative humidity and the saturated humidity are obtained through the defogging sensor, then the air quantity value is determined according to the saturated humidity and the relative humidity, working parameters corresponding to the second stage air outlet mode are determined according to the air quantity value and the current environment temperature, and the vehicle defogging is controlled according to the working parameters. According to the embodiment, when the vehicle is provided with the defogging sensor, the first stage air outlet mode is firstly entered, then when the temperature of the air duct meets the preset air temperature condition, the second stage air outlet mode is entered, the working parameters corresponding to the second stage air outlet mode are determined, the proper working parameters can be determined according to the current environmental factors, then the defogging of the vehicle is controlled according to the working parameters, and the proper air quantity can be provided for passengers while defogging is carried out, so that the energy consumption is reduced, and the passenger experience is improved.
Referring to fig. 3, fig. 3 is a flowchart illustrating a second embodiment of a vehicle defogging method according to the present invention.
Based on the first embodiment, in this embodiment, after step S50, the method further includes:
step S60: determining a first running time corresponding to the second-stage air outlet mode according to the current ambient temperature and the relative humidity;
specifically, in this embodiment, the first operation time corresponding to the second stage air outlet mode may be determined by a second preset formula, where the second preset formula is:
wherein X is the first running time, T is the current ambient temperature, and RH is the relative humidity.
Step S70: and after the first running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
It should be understood that after the first operation time is completed in the second stage air outlet mode according to the crystal oscillator timing in the automatic air conditioner controller, the air conditioner controller sends a mode switching instruction to the mode motor so as to enable the vehicle to enter the third stage air outlet mode from the second stage air outlet mode.
It can be understood that the working modes of the third stage air outlet modes corresponding to different current environmental temperatures are also different, and in this embodiment, when the current environmental temperature is between-10 ℃ and 0 ℃, the defogging parameter information corresponding to the third stage air outlet mode is 30% of the external circulation, and the foot blowing mode is set; when the current ambient temperature is between-20 ℃ and-10 ℃, the defogging parameter information corresponding to the third stage air outlet mode is 40% of external circulation, and the foot blowing mode is adopted; when the current ambient temperature is lower than-20 ℃, defogging parameter information corresponding to the first stage air outlet mode is 60% of external circulation, and the foot blowing mode is adopted. The above working mode may be set to other parameters according to practical situations, which is not particularly limited in this embodiment.
In a specific implementation, when the third stage air outlet mode is entered, the vehicle is indicated to enter a steady state, the steady state means that the vehicle is not fogged, and the temperature in the vehicle reaches the temperature set by a user, so that the working mode is only required to be set into an external circulation foot blowing mode, and the defogging mode is not required to defog the vehicle.
Specifically, referring to table 1, table 1 is a working mode corresponding to a first stage air-out mode, a second stage air-out mode, and a third stage air-out mode when the vehicle is provided with a defogging sensor.
Table 1:
it should be noted that, parameters in the working modes corresponding to the air outlet modes in table 1 can be set according to actual conditions, and the corresponding range of the current ambient temperature can also be set by itself, which is not particularly limited in this embodiment.
Further, the step S70 further includes: judging whether a fog risk exists according to the relative humidity and the saturated humidity; when the risk of fogging exists, the third stage air outlet mode is adjusted to the second stage air outlet mode; judging whether the second stage air outlet mode is required to be adjusted to the third stage air outlet mode according to the relative humidity and the saturated humidity.
It should be understood that, in this embodiment, the judging manner of judging whether the risk of fogging exists may be that when the relative humidity RH is greater than or equal to the saturated humidity SH-2%, the risk of fogging is judged, and specific judging conditions may also be set according to actual situations, which is not particularly limited in this embodiment.
It will be appreciated that when there is a risk of fogging, the foot blowing mode needs to be switched to a foot blowing defogging mode, i.e. a second stage air outlet mode, and then the vehicle is defogged by the defogging mode, and when there is no risk of fogging, the vehicle maintains a third stage air outlet mode.
In a specific implementation, when the relative humidity RH is less than the saturated humidity SH-5%, the second stage air outlet mode is determined to be required to be adjusted to the third stage air outlet mode, specific determination conditions can be set according to actual conditions, and the embodiment is not limited in particular.
According to the embodiment, when the vehicle is in the third-stage air-out mode, whether the vehicle has a fog risk is judged, when the vehicle has the fog risk, the second-stage air-out mode is entered, whether the vehicle has the fog risk can be judged in real time after the vehicle enters a steady state, the vehicle is defogged through the second-stage air-out mode, and after defogging is completed, the vehicle is automatically adjusted to the third-stage air-out mode, so that energy consumption is reduced, and passenger experience is improved.
Further, referring to fig. 4, fig. 4 is a control block diagram of a defogging method for a vehicle according to the present invention, in which a defogging sensor is provided to the vehicle.
As shown in fig. 4, when the vehicle is provided with the defogging sensor, the automatic air conditioner controller is controlled by the humidity information collected by the vehicle sensor, the current ambient temperature collected by the ambient temperature sensor and the air duct temperature collected by the air temperature sensor, and then the automatic air conditioner controller sends a mode switching instruction to the mode motor, so that the mode is switched from the defogging mode to the defogging mode or from the defogging mode to the foot blowing mode.
According to the embodiment, the first operation time corresponding to the second stage air outlet mode is determined according to the current ambient temperature and the relative humidity, after the first operation time, the vehicle is controlled to enter the third stage air outlet mode, and defogging of the vehicle is controlled through the third stage air outlet mode. According to the embodiment, the third-stage air outlet mode is added after the second-stage air outlet mode, and the third-stage air outlet mode is automatically switched to after the second-stage air outlet mode reaches the corresponding operation time, and as the third-stage air outlet mode has no demisting mode and only has the foot blowing mode, the energy consumption is reduced, and the passenger experience is improved.
Referring to fig. 5, fig. 5 is a schematic flow chart of a third embodiment of a vehicle defogging method according to the present invention.
Based on the first embodiment, in this embodiment, after step S10, the method further includes:
step S20': when the defogging sensor is not arranged on the vehicle, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current ambient temperature;
it is understood that, at different current ambient temperatures, the defogging parameter information corresponding to the first stage air outlet mode is also different, and the defogging parameter information may include an external circulation parameter and a defogging mode parameter.
In a specific implementation, in general, when the current ambient temperature reaches below 0 ℃, the vehicle is triggered to enter a defogging mode, and in the embodiment, the defogging parameter information corresponding to the first stage air outlet mode is 20% external circulation and 100% defogging mode when the current ambient temperature is between-10 ℃ and 0 ℃; when the current ambient temperature is between-20 ℃ and-10 ℃, defogging parameter information corresponding to the air outlet mode in the first stage is 30% of external circulation, and the defogging mode is 100%; when the current ambient temperature is lower than-20 ℃, the defogging parameter information corresponding to the first stage air outlet mode is 40% of external circulation and 100% of defogging mode. The demisting parameter information may be set to other values according to practical situations, which is not particularly limited in this embodiment.
Step S30': controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor;
step S40': when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second-stage air outlet mode, and controlling the vehicle to defog through the second-stage air outlet mode.
It can be understood that the working parameters of the second stage air outlet mode corresponding to different current ambient temperatures are also different, and in the embodiment, when the current ambient temperature is between-10 ℃ and 0 ℃, the working parameters corresponding to the second stage air outlet mode are 20% of external circulation, 50% of foot blowing mode and 50% of demisting mode; when the current ambient temperature is between-20 ℃ and-10 ℃, the working parameters corresponding to the second stage air outlet mode are 30% of external circulation, 50% of foot blowing mode and 50% of demisting mode; when the current ambient temperature is lower than-20 ℃, the working parameters corresponding to the second stage air outlet mode are 40% of external circulation, 50% of foot blowing mode and 50% of defogging mode. The above working parameters can also be set to other values according to practical situations, but the sum of the foot blowing mode and the defogging mode needs to be set to 100%, for example: the present embodiment is not particularly limited to other values, i.e., 30% foot blowing mode plus 70% defogging mode.
When the defogging sensor is not arranged on the vehicle, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current environment temperature, then the vehicle is controlled to enter the first stage air outlet mode according to the defogging parameter information, the air duct temperature is collected in real time through the air duct sensor, when the air duct temperature meets the preset air temperature condition, the vehicle is controlled to enter the second stage air outlet mode, and the vehicle defogging is controlled through the second stage air outlet mode. According to the embodiment, when the defogging sensor is not arranged on the vehicle, the first stage air outlet mode is firstly entered, then when the temperature of the air duct meets the preset air temperature condition, the second stage air outlet mode is entered, then the defogging of the vehicle is controlled through the second stage air outlet mode, when the defogging sensor is not arranged, the working parameters corresponding to the second stage air outlet mode can be determined according to the actual conditions, and the appropriate air quantity can be provided for passengers while defogging, so that the energy consumption is reduced, and the passenger experience is improved.
Further, after the step S40', the method further includes:
step S50': acquiring a current environmental temperature through a ring temperature sensor, and acquiring a current sunlight radiation value through a light sensor;
it should be noted that, the current solar radiation value, i.e., the current solar radiation intensity, may be obtained by the light sensor.
Step S60': determining a second running time corresponding to the second stage air outlet mode according to the current environment temperature, the current sunlight radiation value and the current vehicle speed;
specifically, in this embodiment, the second operation time corresponding to the second stage air outlet mode may be determined by a third preset formula, where the third preset formula is:
wherein X' is the second running time, T is the current ambient temperature, V is the current vehicle speed, R is the current solar radiation value, and a and b are coefficients.
It should be noted that a > 1, b > 1, and specific values need calibration confirmation.
Step S70': and after the second running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
It should be understood that after the second stage air outlet mode is judged to have completed the second operation time by the crystal oscillator timing in the automatic air conditioner controller, the air conditioner controller sends a mode switching instruction to the mode motor so as to enable the vehicle to enter the third stage air outlet mode from the second stage air outlet mode.
It can be understood that the working modes of the third stage air outlet modes corresponding to different current environmental temperatures are also different, and in this embodiment, when the current environmental temperature is between-10 ℃ and 0 ℃, the defogging parameter information corresponding to the third stage air outlet mode is 30% of the external circulation, and the foot blowing mode is set; when the current ambient temperature is between-20 ℃ and-10 ℃, the defogging parameter information corresponding to the third stage air outlet mode is 40% of external circulation, and the foot blowing mode is adopted; when the current ambient temperature is lower than-20 ℃, defogging parameter information corresponding to the first stage air outlet mode is 60% of external circulation, and the foot blowing mode is adopted. The above working mode may be set to other parameters according to practical situations, which is not particularly limited in this embodiment.
Specifically, referring to table 2, table 2 is a working mode corresponding to the first stage air-out mode, the second stage air-out mode, and the third stage air-out mode when the vehicle is not provided with the defogging sensor.
Table 2:
it should be noted that, parameters in the working modes corresponding to the air outlet modes in table 2 can be set according to actual conditions, and the corresponding range of the current ambient temperature can also be set by itself, which is not particularly limited in this embodiment.
Further, the step S70' further includes: judging whether a fog risk exists or not according to the current vehicle speed and the current sunlight radiation value; when the risk of fogging exists, the third stage air outlet mode is adjusted to the second stage air outlet mode; determining a third running time corresponding to the second-stage air-out mode according to the current vehicle speed; and after the third running time, controlling the vehicle to adjust to the third stage air outlet mode.
It should be understood that the judging manner of judging whether the risk of fogging exists in this embodiment may be that the current vehicle speed V is greater than or equal to 60km/h in a period of time, and the current solar radiation value R is less than 100, and it is judged that the risk of fogging exists in a period of time, and may be more than 10 seconds or more than 15 seconds, which is not particularly limited in this embodiment, and the specific judging condition may also be set by itself according to the actual situation, which is not particularly limited in this embodiment.
Specifically, in this embodiment, the third operation time corresponding to the second stage air outlet mode may be determined by a fourth preset formula, where the fourth preset formula is:
wherein Y is the third running time, V is the current vehicle speed, and a is the coefficient.
It will be appreciated that when the current solar radiation value R < 100, there is an indication of solar radiation compensated glass temperature, at which time there is no need to switch the air out mode and the vehicle maintains the third stage air out mode.
In a specific implementation, when entering a high speed from a city, the speed suddenly increases, the front windshield temperature drops rapidly, causing the front windshield to fog immediately, so that it is necessary to avoid fog by switching the air-out mode.
According to the embodiment, when the vehicle is in the third-stage air-out mode, whether the vehicle has a fog risk is judged, when the vehicle has the fog risk, the second-stage air-out mode is entered, whether the vehicle has the fog risk can be judged in real time after the vehicle enters a steady state, the vehicle is defogged through the foot-blowing defogging mode, and after defogging is completed, the vehicle is automatically adjusted to the third-stage air-out mode, so that energy consumption is reduced, and passenger experience is improved.
Further, referring to fig. 6, fig. 6 is a control block diagram of the defogging method for a vehicle according to the present invention, in which a defogging sensor is not provided in the vehicle.
As shown in fig. 6, when the defogging sensor is not provided in the vehicle, the automatic air conditioner controller is controlled by the current ambient temperature collected by the ambient temperature sensor, the current solar radiation value collected by the light sensor, the current vehicle speed collected by the vehicle speed sensor and the air duct temperature collected by the air temperature sensor, and then the automatic air conditioner controller sends a mode switching instruction to the mode motor to switch from the defogging mode to the defogging mode or from the defogging mode to the foot blowing mode.
According to the embodiment, the current environment temperature is obtained through the ambient temperature sensor, the current sunlight radiation value is obtained through the light sensor, then the second running time corresponding to the second-stage air outlet mode is determined according to the current environment temperature, the current sunlight radiation value and the current vehicle speed, after the second running time passes, the vehicle is controlled to enter the third-stage air outlet mode, and defogging of the vehicle is controlled through the third-stage air outlet mode. According to the embodiment, the third-stage air outlet mode is added after the second-stage air outlet mode, and the third-stage air outlet mode is automatically switched to after the second-stage air outlet mode reaches the corresponding operation time, and as the third-stage air outlet mode has no demisting mode and only has the foot blowing mode, the energy consumption is reduced, and the passenger experience is improved.
In addition, the embodiment of the invention also provides a storage medium, wherein the storage medium is stored with a vehicle defogging program, and the vehicle defogging program realizes the vehicle defogging method when being executed by a processor.
Referring to fig. 7, fig. 7 is a block diagram showing a first embodiment of a demisting apparatus for a vehicle according to the present invention.
As shown in fig. 7, a vehicle defogging device according to an embodiment of the present invention includes:
a sensor judging module 701 for judging whether the vehicle is provided with a defogging sensor mounted on the front windshield;
the parameter determining module 702 is configured to determine, when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode according to a current ambient temperature;
the temperature acquisition module 703 is configured to control the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and acquire an air duct temperature in real time through an air duct sensor;
the humidity acquisition module 704 is configured to control the vehicle to enter a second stage air outlet mode when the air duct temperature meets a preset air temperature condition, and acquire relative humidity and saturated humidity through the defogging sensor;
the vehicle defogging module 705 is configured to determine an air quantity value according to the saturated humidity and the relative humidity, determine an operating parameter corresponding to the second stage air outlet mode according to the air quantity value and the current ambient temperature, and control vehicle defogging according to the operating parameter.
According to the embodiment, whether the vehicle is provided with the defogging sensor arranged on the front windshield or not is judged, when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current environment temperature, then the vehicle is controlled to enter the first stage air outlet mode according to the defogging parameter information, the air duct temperature is collected in real time through the air duct sensor, when the air duct temperature meets the preset air temperature condition, the vehicle is controlled to enter the second stage air outlet mode, the relative humidity and the saturated humidity are obtained through the defogging sensor, then the air quantity value is determined according to the saturated humidity and the relative humidity, working parameters corresponding to the second stage air outlet mode are determined according to the air quantity value and the current environment temperature, and the vehicle defogging is controlled according to the working parameters. According to the embodiment, when the vehicle is provided with the defogging sensor, the first stage air outlet mode is firstly entered, then when the temperature of the air duct meets the preset air temperature condition, the second stage air outlet mode is entered, the working parameters corresponding to the second stage air outlet mode are determined, the proper working parameters can be determined according to the current environmental factors, then the defogging of the vehicle is controlled according to the working parameters, and the proper air quantity can be provided for passengers while defogging is carried out, so that the energy consumption is reduced, and the passenger experience is improved.
Based on the above-described first embodiment of the vehicle defogging device of the present invention, a second embodiment of the vehicle defogging device of the present invention is proposed.
In this embodiment, the humidity obtaining module 704 is further configured to control the vehicle to enter a second stage air outlet mode when the air duct temperature meets a preset air temperature condition, obtain a glass temperature and a glass ambient air temperature through a temperature module in the demisting sensor, and determine a saturated humidity according to the glass temperature and the glass ambient air temperature; and acquiring the relative humidity through a humidity module in the defogging sensor.
Further, the vehicle defogging device further comprises a first vehicle defogging module 707, wherein the first vehicle defogging module 707 is configured to determine a first operation time corresponding to the second stage air outlet mode according to the current ambient temperature and the relative humidity; and after the first running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
Further, the vehicle defogging device further comprises a mode adjustment module 707, wherein the mode adjustment module 707 is configured to determine whether there is a risk of fogging according to the relative humidity and the saturated humidity; when the risk of fogging exists, the third stage air outlet mode is adjusted to be the second stage air outlet mode; judging whether the second stage air outlet mode is required to be adjusted to the third stage air outlet mode according to the relative humidity and the saturated humidity.
Further, the vehicle defogging device further comprises a second vehicle defogging module 708, wherein the second vehicle defogging module 708 is configured to determine defogging parameter information corresponding to the first stage air outlet mode according to the current ambient temperature when the vehicle is not provided with the defogging sensor; controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor; when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second-stage air outlet mode, and controlling the vehicle to defog through the second-stage air outlet mode.
Further, the vehicle defogging device further comprises a third vehicle defogging module 709, wherein the third vehicle defogging module 709 is used for acquiring the current ambient temperature through a ring temperature sensor and acquiring the current sunlight radiation value through a light sensor; determining a second running time corresponding to the second stage air outlet mode according to the current environment temperature, the current sunlight radiation value and the current vehicle speed; and after the second running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
Further, the vehicle defogging device further comprises a mode readjusting module 710, wherein the mode readjusting module 710 is configured to determine whether there is a risk of fogging according to the current vehicle speed and the current solar radiation value; when the risk of fogging exists, the third stage air outlet mode is adjusted to be the second stage air outlet mode; determining a third running time corresponding to the second-stage air-out mode according to the current vehicle speed; and after the third running time, controlling the vehicle to adjust to the third stage air outlet mode.
Other embodiments or specific implementation manners of the vehicle demisting device according to the present invention may refer to the above-mentioned method embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. read-only memory/random-access memory, magnetic disk, optical disk), comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (8)
1. A vehicle defogging method, the vehicle defogging method comprising:
judging whether the vehicle is provided with a defogging sensor arranged on the front windshield;
when the vehicle is provided with the defogging sensor, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current ambient temperature;
controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor;
when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, and acquiring relative humidity and saturated humidity through the defogging sensor;
determining an air quantity value according to the saturated humidity and the relative humidity, determining working parameters corresponding to the second-stage air outlet mode according to the air quantity value and the current environment temperature, and controlling defogging of a vehicle according to the working parameters;
after the step of determining whether the vehicle is provided with the defogging sensor mounted on the front windshield, the method further comprises:
when the defogging sensor is not arranged on the vehicle, defogging parameter information corresponding to the first stage air outlet mode is determined according to the current ambient temperature;
Controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor;
when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second-stage air outlet mode, and controlling the vehicle to defog through the second-stage air outlet mode;
when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second-stage air outlet mode, and after the step of controlling the vehicle to defog through the second-stage air outlet mode, further comprising:
acquiring a current environmental temperature through a ring temperature sensor, and acquiring a current sunlight radiation value through a light sensor;
determining a second running time corresponding to the second stage air outlet mode according to the current environment temperature, the current sunlight radiation value and the current vehicle speed;
and after the second running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
2. The method for demisting a vehicle according to claim 1, wherein when the temperature of the air duct satisfies a preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, and acquiring relative humidity and saturation humidity by the demisting sensor comprises the following steps:
When the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second stage air outlet mode, acquiring the glass temperature and the glass ambient air temperature through a temperature module in the demisting sensor, and determining the saturated humidity according to the glass temperature and the glass ambient air temperature;
and acquiring the relative humidity through a humidity module in the defogging sensor.
3. The vehicle defogging method according to claim 1, wherein after the step of determining an air quantity value according to the saturation humidity and the relative humidity, determining an operation parameter corresponding to the second stage air outlet mode according to the air quantity value and the current ambient temperature, and controlling the vehicle defogging according to the operation parameter, further comprises:
determining a first running time corresponding to the second-stage air outlet mode according to the current ambient temperature and the relative humidity;
and after the first running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
4. A method of defogging a vehicle as recited in claim 3, wherein after said passing of said first operating time, controlling the vehicle to enter a third stage air-out mode, and wherein after said step of controlling the defogging of the vehicle by said third stage air-out mode, further comprises:
Judging whether a fog risk exists according to the relative humidity and the saturated humidity;
when the risk of fogging exists, the third stage air outlet mode is adjusted to the second stage air outlet mode;
judging whether the second stage air outlet mode is required to be adjusted to the third stage air outlet mode according to the relative humidity and the saturated humidity.
5. The vehicle defogging method of claim 1, wherein after said passing of said second operation time, controlling the vehicle to enter a third stage air-out mode, and wherein after said step of controlling the vehicle defogging by said third stage air-out mode, further comprises:
judging whether a fog risk exists or not according to the current vehicle speed and the current sunlight radiation value;
when the risk of fogging exists, the third stage air outlet mode is adjusted to the second stage air outlet mode;
determining a third running time corresponding to the second-stage air-out mode according to the current vehicle speed;
and after the third running time, controlling the vehicle to adjust to the third stage air outlet mode.
6. A vehicle defogging device, characterized in that the vehicle defogging device comprises:
the sensor judging module is used for judging whether the vehicle is provided with a defogging sensor arranged on the front windshield or not;
The parameter determining module is used for determining defogging parameter information corresponding to the first stage air outlet mode according to the current environment temperature when the vehicle is provided with the defogging sensor;
the temperature acquisition module is used for controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information and acquiring the temperature of the air duct in real time through the air duct sensor;
the humidity acquisition module is used for controlling the vehicle to enter a second stage air outlet mode when the temperature of the air duct meets the preset air temperature condition, and acquiring relative humidity and saturated humidity through the defogging sensor;
the vehicle defogging module is used for determining an air quantity value according to the saturated humidity and the relative humidity, determining working parameters corresponding to the second stage air outlet mode according to the air quantity value and the current environment temperature, and controlling vehicle defogging according to the working parameters;
the vehicle defogging device further comprises a second vehicle defogging module, wherein the second vehicle defogging module is used for determining defogging parameter information corresponding to the first stage air outlet mode according to the current environment temperature when the vehicle is not provided with the defogging sensor; controlling the vehicle to enter a first stage air outlet mode according to the defogging parameter information, and collecting the temperature of an air duct in real time through an air duct sensor; when the temperature of the air duct meets the preset air temperature condition, controlling the vehicle to enter a second-stage air outlet mode, and controlling the vehicle to defog through the second-stage air outlet mode;
The vehicle defogging device further comprises a third vehicle defogging module, wherein the third vehicle defogging module is used for acquiring the current environment temperature through an ambient temperature sensor and acquiring the current sunlight radiation value through a light sensor; determining a second running time corresponding to the second stage air outlet mode according to the current environment temperature, the current sunlight radiation value and the current vehicle speed; and after the second running time, controlling the vehicle to enter a third stage air outlet mode, and controlling the vehicle to defog through the third stage air outlet mode.
7. A vehicle defogging device, the vehicle defogging device comprising: a memory, a processor, and a vehicle defogging program stored on the memory and operable on the processor, the vehicle defogging program configured to implement the vehicle defogging method of any of the claims 1 to 5.
8. A storage medium having stored thereon a vehicle defogging program which when executed by a processor implements the vehicle defogging method of any of claims 1 to 5.
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